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The Effects Of Litter Size On Behavioral Development And Adult Emotinoality In The Rat, Elizabeth N. Pully May 1977

The Effects Of Litter Size On Behavioral Development And Adult Emotinoality In The Rat, Elizabeth N. Pully

Master's Theses

The effects of the early experience variable of litter size is examined at two developmental time periods (infancy and adulthood) in the rat. The study departs from the majority of the early experience experimentation in its use of a naturally occurring independent variable in place of the typical handling and shocking procedures. Large (n = 9), medium (n = 5), small litters (n = 3) were developed by pooling rat pups at birth and then distributing them to randomly selected, lactating females. Observations of behaviors (including maternal grooming) during the preweaning stage of development disclosed substantial differences in response activity …


Subtle Teratogenic Effects Of Locoweed In Rats, Benjamin K. Nelson May 1977

Subtle Teratogenic Effects Of Locoweed In Rats, Benjamin K. Nelson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Locoweed, a well-known teratogenic plant affecting livestock, is prevalent in mountain regions of the Western United States. Two common species (Astragalus lentiginosus and A. wootoni), administered to pregnant rats, induced behavioral deviations in their offspring. Treated mothers consumed less feed and gained less wieght during gestation than controls when gavaged locoweed at the rate of 1 gram whole plant per day on days 7 through 17 of gestation. A. lentiginosus reduced pup weight at birth (13% less than controls) and this weight reduction (as much as 29% less than controls) continued at least four weeks. A. lentiginosus also …


Studies Of The Partial Purification And Characterization Of The Major Sulfotransferase Enzyme Found In The Male Rat, James Richard Gebhart Jan 1977

Studies Of The Partial Purification And Characterization Of The Major Sulfotransferase Enzyme Found In The Male Rat, James Richard Gebhart

Graduate Theses and Dissertations

No abstract provided.


Effects Of Antiestrogens On Eating, Female Sexual Behavior, And The Uptake Of 3h-Estradiol In The Central Nervous System In Rats., Edward J. Roy Jan 1977

Effects Of Antiestrogens On Eating, Female Sexual Behavior, And The Uptake Of 3h-Estradiol In The Central Nervous System In Rats., Edward J. Roy

Doctoral Dissertations 1896 - February 2014

No abstract provided.